Asteroids for ultralight dark-photon dark-matter detection
Asteroids for ultralight dark-photon dark-matter detection
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用于超光暗光子暗物质探测的小行星
DOI:
10.1103/physrevd.107.043004
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发表时间:
2023
影响因子:
5
通讯作者:
Mathur, Anubhav
中科院分区:
文献类型:
--
作者:
Fedderke, Michael A.;Mathur, Anubhav
Gravitational-wave (GW) detectors that monitor fluctuations in the separation between inertial test masses (TMs) are sensitive to new forces acting on those TMs. Ultralight dark-photon dark matter (DPDM) coupled toorcharges supplies one such force that oscillates with a frequency set by the DPDM mass. GW detectors operating in different frequency bands are thus sensitive to different DPDM mass ranges. A recent GW detection proposal based on monitoring the separation of certain asteroids in the inner Solar System would have sensitivity tofrequencies [M. A. Fedderke , Asteroids forgravitational-wave detection, Phys. Rev. D 105, 103018 (2022)PRVDAQ2470-001010.1103/PhysRevD.105.103018]. In this paper, we show how that proposal would also enable access to new parameter space for DPDM coupled to[respectively,] charges in the mass range 5[9]×10-21 eV≲mDM≲2×10-19 eV, with peak sensitivities about a factor of 500 [50] beyond current best limits on[] at mDM∼2×10-19 eV. Sensitivity could be extended up to mDM∼2×10-18 eV only if noise issues associated with asteroid rotational motion could be overcome.
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